[INFO] cloning repository https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aidanhs/slow-ref-stdweb-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe6f72f6dd92ca0027a4334e1f00124fee9a74f
[INFO] testing aidanhs/slow-ref-stdweb-example against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aidanhs/slow-ref-stdweb-example on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] finished tweaking git repo https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] tweaked toml for git repo https://github.com/aidanhs/slow-ref-stdweb-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/aidanhs/slow-ref-stdweb-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] [stderr]   Downloaded web_logger v0.1.0
[INFO] [stderr]   Downloaded stdweb v0.4.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6f4669ab834857da9d082e567496ee7fe671181c9519967d883e4b760fe256a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6f4669ab834857da9d082e567496ee7fe671181c9519967d883e4b760fe256a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6f4669ab834857da9d082e567496ee7fe671181c9519967d883e4b760fe256a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f4669ab834857da9d082e567496ee7fe671181c9519967d883e4b760fe256a", kill_on_drop: false }`
[INFO] [stdout] f6f4669ab834857da9d082e567496ee7fe671181c9519967d883e4b760fe256a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a25fdd9e04758af0e6c6be95c9f00ba417c1629ada59de3b54d5fa20df8118f0
[INFO] running `Command { std: "docker" "start" "-a" "a25fdd9e04758af0e6c6be95c9f00ba417c1629ada59de3b54d5fa20df8118f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb v0.4.6
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling web_logger v0.1.0
[INFO] [stderr]    Compiling yew v0.4.0 (https://github.com/DenisKolodin/yew.git?rev=f392d7e#f392d7ef)
[INFO] [stderr]    Compiling logobble-dataflow-page v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let env = app.mount(elt);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/main.rs:78:46
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn update(&mut self, msg: Self::Message, env: &mut Env<CTX, Self>) -> ShouldRender {
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.4wpjxumrjspjepmt.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-4cd00e2d68deda39/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-d2153375d534845b.rlib" "/opt/rustwide/target/debug/deps/libhttp-c9a99655dba33c44.rlib" "/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rlib" "/opt/rustwide/target/debug/deps/libbytes-8f39eae7f09a9ad1.rlib" "/opt/rustwide/target/debug/deps/libiovec-fb544d11fab44dcb.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0eae9a9907f3c0c1.rlib" "/opt/rustwide/target/debug/deps/libfailure-02f486554cd4c543.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-49b0b19b7346b390.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-d9d23d434a51f2ed.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-58c3e4babe2a3272.rlib" "/opt/rustwide/target/debug/deps/liblibc-b946b6bb0e1f0b75.rlib" "/opt/rustwide/target/debug/deps/libweb_logger-5cae69d5b5ea3189.rlib" "/opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib" "/opt/rustwide/target/debug/deps/libdiscard-75d7fc041849b731.rlib" "/opt/rustwide/target/debug/deps/libserde_json-34fc20daff1b3a82.rlib" "/opt/rustwide/target/debug/deps/libitoa-6e490dc3d81839bd.rlib" "/opt/rustwide/target/debug/deps/libdtoa-61840fb9d504812a.rlib" "/opt/rustwide/target/debug/deps/libserde-8e065a5aa6690ac6.rlib" "/opt/rustwide/target/debug/deps/liblog-e82c7703af9c89db.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-60bebb3e2c55967c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::next_sibling':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:142: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::remove_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:55: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-c724dbd72b5d379a.logobble_dataflow_page.f4mzsp9w-cgu.1.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:55: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.15.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.15.rcgu.o): in function `<stdweb::webapi::node::Node as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:357: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.2.rcgu.o): in function `<stdweb::webapi::element::Element as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/element.rs:173: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.3.rcgu.o): in function `<stdweb::webapi::dom_exception::HierarchyRequestError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:564: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.3.rcgu.o): in function `<stdweb::webapi::dom_exception::NotFoundError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:564: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.4.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-13a9eed308085997.rlib(stdweb-13a9eed308085997.stdweb.4uzevu3w-cgu.4.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/value.rs:89: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logobble-dataflow-page`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a25fdd9e04758af0e6c6be95c9f00ba417c1629ada59de3b54d5fa20df8118f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a25fdd9e04758af0e6c6be95c9f00ba417c1629ada59de3b54d5fa20df8118f0", kill_on_drop: false }`
[INFO] [stdout] a25fdd9e04758af0e6c6be95c9f00ba417c1629ada59de3b54d5fa20df8118f0
